Comprises correspondence, notes, drafts, proofs and other papers relating to: Folder 1: Miggiano, V., Nabholz, M., and Bodmer, W.F. (1969). Hybrids between human leukocytes and a mouse cell line: production and characterization. In Heterospecific Genome Interaction, V. Defendi, ed. (Philadelphia: Wistar Institute Press), pp. 61-76 Folder 2: Nabholz, M.,...